#443373
Closest named color: Dark Slate Blue (#483D8B). oklch(37.4% 0.106 292.8), rgb(68, 51, 115).
Aa
White text reads best on this color (10.67:1).
About this color
#443373 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.106 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.046 away. White text reads best on it, at 10.67:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.96:1 |
| White text | 10.67:1 |
Values
| HEX | #443373 |
| RGB | rgb(68, 51, 115) |
| HSL | hsl(256, 39%, 33%) |
| OKLCH | oklch(37.4% 0.106 292.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #443373 | 10.67:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #443373 | 1.96:1 | Fails | Lc 9.4 | Not readable |
| #443373 text on white | 10.67:1 | AAA | Lc 94.5 | Preferred for body text |
| #443373 text on black | 1.96:1 | Fails | Lc -8.1 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D4F4
oklch(88.4% 0.044 292.6)
-
Step 300
300
#C2B8F0
oklch(81% 0.079 292.7)
-
Step 400
400
#A491E8
oklch(70.8% 0.126 292.9)
-
Step 500
500
#8F73E1
oklch(63.2% 0.161 292.9)
-
Step 600
600
#7A58CF
oklch(55.6% 0.176 292.9)
-
Step 700
700
#6747B3
oklch(49% 0.164 293)
-
Step 800
800
#543B91
oklch(42.7% 0.136 293.2)
-
Step 900
900 (this color)
#443373
oklch(37.4% 0.106 292.8)
-
Step 950
950
#281F44
oklch(27% 0.067 292.5)
#443373 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #173F75 | 0.064 |
| Deuteranopia (no green cones) | #1A3D72 | 0.061 |
| Tritanopia (no blue cones) | #38404E | 0.084 |
| Achromatopsia (no color) | #3E3E3E | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443373
#443373
oklch(37.4% 0.106 292.8)
- #424500
#424500
oklch(37.5% 0.083 112.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #443373, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.066
- Twilight Blue #0A437A ΔE 0.074
- Cobalt #1E488F ΔE 0.079
- Prussian Blue #1D3557 ΔE 0.079
- Marine Blue #01386A ΔE 0.080
- Indigo #4B0082 ΔE 0.084
- Dark Grey Blue #29465B ΔE 0.085
Use #443373 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.